It's kind of a necessary break from comic book storytelling to game mechanics - "Oh no Jean Grey died! No problem, *speed dials an empathy defender* Problem solved!" The APPs/PPPs try to more round out what a character can do, but even then many concessions are made - Ice Man can blast ice, melee with ice, armor himself in ice, freeze enemies in case, and so on, and do all with the highest power level. They're all essentially "Hero-class" characters, that do not have to abide by the rules of us players...